Mark Shannon <m...@hotpy.org> added the comment:
Exammining the bytecode for:
def finally_return():
try:
return 14
finally:
a.append(16)
We have:
2 0 SETUP_FINALLY 16 (to 18)
3 2 POP_BLOCK
5 4 LOAD_GLOBAL 0 (a)
6 LOAD_METHOD 1 (append)
8 LOAD_CONST 1 (16)
10 CALL_METHOD 1
12 POP_TOP
3 14 LOAD_CONST 2 (14)
5 16 RETURN_VALUE
>> 18 LOAD_GLOBAL 0 (a)
20 LOAD_METHOD 1 (append)
22 LOAD_CONST 1 (16)
24 CALL_METHOD 1
26 POP_TOP
28 RERAISE
30 LOAD_CONST 0 (None)
32 RETURN_VALUE
Which looks correct, except for the line number of the first RETURN_VALUE.
Looking at the compiler it seems that we aren't preserving the original line
number when emitting code for the finally block.
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Python tracker <rep...@bugs.python.org>
<https://bugs.python.org/issue39114>
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